Mac developers animated by Core Animation demo
To show off Core Animation's potential, Jobs used a demo application styled after the 'video wall' movie that plays on Apple TVs, but giving the user the ability to zoom in on a particular movie or search for videos according to their tags.
"This was written very, very quickly, and you can see what Core Animation can do for you," said Jobs. "It shows what you can do with a little bit of effort and Core Animation."
Rather than handling animations on a frame-by-frame basis, Core Animation allows developers to specify start, end and any intermediate keyframes for the various elements. It applies the required effects to each layer, then composites and renders them in real time.
Core Animation is compatible with any Mac capable of running Core Image (ie, most systems shipped in the last two years), and takes advantage of GPU acceleration and multi-core Intel CPUs, Apple officials said.
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Stephen Withers is one of Australia¹s most experienced IT journalists, having begun his career in the days of 8-bit 'microcomputers'. He covers the gamut from gadgets to enterprise systems. In previous lives he has been an academic, a systems programmer, an IT support manager, and an online services manager. Stephen holds an honours degree in Management Sciences, a PhD in Industrial and Business Studies, and is a senior member of the Australian Computer Society.